Generation X is the demographic cohort following the Baby Boomers and preceding Millennials. Researchers and popular media often use the mid-1960s as its starting birth years and the late 1970s as its ending birth years, with the generation being generally defined as people born from 1965 to 1980. By this definition and U.S. Census data, there are 65.2 million Gen Xers in the United States as of 2019. Most of Generation X are the children of the Silent Generation and early Baby Boomers; Xers are also often the parents of Millennials and Generation Z.
A family tree, also called a genealogy or a pedigree chart, is a chart representing family relationships in a conventional tree structure. More detailed family trees, used in medicine and social work, are known as genograms.
This article contains information about the literary events and publications of 1989.
A bicycle helmet is a type of helmet designed to attenuate impacts to the head of a cyclist in collisions while minimizing side effects such as interference with peripheral vision.
Mary Poppins is a series of eight children's books written by Australian-British writer P. L. Travers and published over the period 1934 to 1988. Mary Shepard was the illustrator throughout the series.
Chicka Chicka Boom Boom is an American children's picture book written by Bill Martin Jr. and John Archambault, illustrated by Lois Ehlert, and published by Simon & Schuster in 1989. The book teaches the alphabet through rhyming couplets, and charted The New York Times Best Seller list for children's books in 2000.
In mathematics, the Strahler number or Horton–Strahler number of a mathematical tree is a numerical measure of its branching complexity.
Lois Jane Ehlert was an American author and illustrator of children's books, most having to do with nature. Ehlert won the Caldecott Honor for Color Zoo in 1990. Some of her other popular works included Chicka Chicka Boom Boom, Cuckoo/Cucú: A Mexican Folktale/Un cuento folklórico Mexicano and Leaf Man. She lived in Milwaukee, Wisconsin, at the time of her death in 2021.
William Ivan Martin Jr. was an American educator, publishing executive, and author of more than 300 children's books including The Sounds of Mystery,Chicka Chicka Boom Boom, Brown Bear, Brown Bear, What Do You See?, Baby Bear, Baby Bear, What Do You See?, Panda Bear, Panda Bear, What Do You See?, and Polar Bear, Polar Bear, What Do You Hear?. The Bill Martin Jr. Award, which is the Kansas state award for best children's picture book, was established in his honor in 1996.
Brown Bear, Brown Bear, What Do You See? is a children's picture book published in 1967 by Henry Holt and Company, Inc. Written by Bill Martin Jr. and illustrated by Eric Carle, the book is designed to help toddlers associate colors and meanings to animals. The book has been widely praised by parents and teachers and placed on several recognition lists. In 2010, the book was briefly banned from Texas’ third grade curriculum due to a confusion between author of children's books Bill Martin Jr, and author of Ethical Marxism: The Categorical Imperative of Liberation philosopher Bill Martin.
David Roy Plummer is an English musician and author of children's books and music. In 1968, he graduated from Reigate School of Art and Design. He signed record deals in London with EMI, CBS, and President Records. As a session musician he recorded and toured the United Kingdom and Europe with several bands (with
In combinatorics, the Narayana numbers form a triangular array of natural numbers, called the Narayana triangle, that occur in various counting problems. They are named after Canadian mathematician T. V. Narayana (1930–1987).
Crazy Cruise is a 1942 Warner Bros. Merrie Melodies cartoon. The short was released on March 14, 1942.
Dr. Michael Sampson is a Fulbright Scholar and an American children's author best known for easy-to-read books that feature rhythmic and repetitive language. Sampson's first children's book, The Football That Won, was written solo in 1992 and illustrated by Ted Rand. Later, Sampson wrote 21 books with his best friend and mentor Bill Martin, Jr., including Chicka Chicka 1, 2, 3 and The Bill Martin Jr Big Book of Poetry.
Weston Woods Studios is a production company that makes audio and short films based on well-known books for children. It was founded in 1953 by Morton Schindel in Weston, Connecticut, and named after the wooded area near his home. Weston Woods Studios' first project was Andy and the Lion in 1954; its first animated film was The Snowy Day in 1964. In 1968, Weston Woods began a long collaboration with animator Gene Deitch. Later, they opened international offices in Henley-on-Thames, England, UK (1972), as well as in Canada (1975) and Australia (1977). In addition to making the films, Weston Woods also conducted interviews with the writers, illustrators, and makers of the films. The films have appeared on children's television programs such as Captain Kangaroo, Eureeka's Castle, and Sammy's Story Shop. In the mid-1980s, the films were released on VHS under the Children's Circle titles, and Wood Knapp Video distributed these releases from 1988 to 1995.
In number theory, the Calkin–Wilf tree is a tree in which the vertices correspond one-to-one to the positive rational numbers. The tree is rooted at the number 1, and any rational number q expressed in simplest terms as the fraction a/b has as its two children the numbers 1/1+1/q = a/a + b and q + 1 = a + b/b. Every positive rational number appears exactly once in the tree. It is named after Neil Calkin and Herbert Wilf, but appears in other works including Kepler's Harmonices Mundi.
Transformers is a series of science fiction action films based on the Transformers franchise. Michael Bay directed the first five live action films: Transformers (2007), Revenge of the Fallen (2009), Dark of the Moon (2011), Age of Extinction (2014), and The Last Knight (2017), and has served as a producer for subsequent films. A sixth film Bumblebee, directed by Travis Knight, was released in 2018, while a seventh film, Rise of the Beasts, directed by Steven Caple Jr., was released in 2023.
Crystal Taliefero-Pratt is an American multi-instrumentalist and vocalist. Taliefero grew up with a musical family, performing rhythm and blues with her brother in the Chicago metropolitan area. During her college years she was discovered by John Mellencamp, who helped guide her to a career as a professional musician. Taliefero performed with several artists throughout the 1980s and 1990s. In 1989 she was hired as a studio musician for the Billy Joel Band, and she has been touring and recording with them ever since.
John Archambault is an American children's book author, poet, story teller, and musician. He is known best for his best selling children's book Chicka Chicka Boom Boom (1989). Among his most recognizable children's books are Knots on a Counting Rope, Barn Dance, Boom Chicka Rock, Here Are My Hands, and The Birth of a Whale. Archambault was an avid reader from a young age, ultimately sparking his interest in writing. Throughout his career he has enjoyed collaboration with Bill Martin, Jr., also a children's book author. Archambault currently resides in Yorba Linda, California.
Bumblebee is a 2018 science fiction action film based on the Hasbro and Takara Tomy's Transformers toy line character of the same name. It is the sixth installment in the Transformers film series, serving as a spin-off and prequel to the 2007 film. Directed by Travis Knight and written by Christina Hodson, it stars Hailee Steinfeld, John Cena, Jorge Lendeborg Jr., John Ortiz, Jason Drucker, and Pamela Adlon, and features Dylan O'Brien, Angela Bassett, Justin Theroux, and Peter Cullen in voice roles. Set in the 1980s, Autobot Bumblebee (O'Brien), is sent to Earth and becomes friends with a teenage girl, Charlie (Steinfeld).
